Mass of one twelth of carbon atom is called atomic mass unit.

True

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False

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Solution

The correct option is A True
An atomic mass unit(amu) is defined as ${\frac{1}{12}}^{t h}$ the mass of an atom of $C - 12$
The relative atomic masses of all elements have been found with respect to an atom of carbon-12.

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One atomic mass unit is a mass unit equal to exactly one twelfth (1/12^th) the mass of one atom of ___________.

= 1.992 \times 10^{- 23}

An atomic mass unit is defined as precisely ___ the mass of one atom of carbon-12 isotope.

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